. Ravi can do a piece of work in 16 hours while Raman can do it in 12 hours. How long will both take to do it, working together?
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They both together can do work in 13 hours...
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Time taken by Ravi to do a piece of work=16hours
Time taken by Raman to do a piece of work=12hours
Work done by Ravi in 1 hour=1/16
Work done by Raman in 1 hour=1/12
Work done by both in 1 hour=1/16+1/12
=7/48
Time taken by both to do a work=48/7hrs
=6whole6/7
Step-by-step explanation:
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